1 /*
2 * Copyright (c) 2008, 2019 Oracle and/or its affiliates. All rights reserved.
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v. 2.0 which is available at
6 * http://www.eclipse.org/legal/epl-2.0,
7 * or the Eclipse Distribution License v. 1.0 which is available at
8 * http://www.eclipse.org/org/documents/edl-v10.php.
9 *
10 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
11 */
12
13 // Contributors:
14 // Linda DeMichiel - 2.1
15 // Linda DeMichiel - 2.0
16
17 package javax.persistence;
18
19 import java.lang.annotation.Target;
20 import java.lang.annotation.Retention;
21 import static java.lang.annotation.RetentionPolicy.RUNTIME;
22
23 /**
24 * Used to supply a query property or hint to the {@link NamedQuery} or {@link
25 * NamedNativeQuery} annotation.
26 *
27 * <p> Vendor-specific hints that are not recognized by a provider are ignored.
28 *
29 * @since 1.0
30 */
31 @Target({})
32 @Retention(RUNTIME)
33 public @interface QueryHint {
34
35 /** Name of the hint. */
36 String name();
37
38 /** Value of the hint. */
39 String value();
40 }
41